Home / 1,418,306.11-1,957,111.51-798,100.45

Finding the Fourth Proportional to 1,418,306.11, 1,957,111.51 and 798,100.45

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Solution

The fourth proportional to 1,418,306.11, 1,957,111.51 and 798,100.45 is: 1,101,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,306.11 : 1,957,111.51 = 798,100.45 : x
  2. Step 2: Convert to fraction form
    1,418,306.11/1,957,111.51 = 798,100.45/x
  3. Step 3: Cross multiply
    1,418,306.11x = 1,957,111.51 × 798,100.45
  4. Step 4: Simplify right side
    1,418,306.11x = 1,561,971,582,519.85
  5. Step 5: Solve for x
    x = 1,561,971,582,519.85/1,418,306.11
  6. Step 6: Final answer
    x = 1,101,293.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.